diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 3acda52..85b25f1 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -10,9 +10,6 @@ defaults:
   run:
     shell: bash
 
-env:
-  CARGO_TARGET_DIR: output
-
 jobs:
   init:
     name: Init
@@ -33,6 +30,7 @@ jobs:
   build:
     needs: ["init"]
     strategy:
+      fail-fast: false
       matrix:
         include:
           - name: Windows x86_64
@@ -71,6 +69,9 @@ jobs:
         with:
           targets: ${{ matrix.cargo-target }}
 
+      - name: Install Just
+        uses: extractions/setup-just@v1
+
       - name: Install build tooling (aarch64-unknown-linux-gnu)
         if: matrix.cargo-target == 'aarch64-unknown-linux-gnu'
         run: |
@@ -79,26 +80,12 @@ jobs:
           sudo apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
 
       - name: Build binary
-        run: |
-          cargo build \
-          --locked --release --all-features \
-          --target ${{ matrix.cargo-target }}
+        run: just build --locked --release --target ${{ matrix.cargo-target }}
 
-      - name: Create binary archive
-        run: |
-          mkdir -p staging
-          if [ "${{ matrix.runner-os }}" = "windows-latest" ]; then
-            cp "output/${{ matrix.cargo-target }}/release/lune.exe" staging/
-            cd staging
-            7z a ../release.zip *
-          else
-            cp "output/${{ matrix.cargo-target }}/release/lune" staging/
-            cd staging
-            chmod +x lune
-            zip ../release.zip *
-          fi
+      - name: Create release archive
+        run: just zip-release ${{ matrix.cargo-target }}
 
-      - name: Upload binary artifact
+      - name: Upload release artifact
         uses: actions/upload-artifact@v3
         with:
           name: ${{ matrix.artifact-name }}
@@ -109,38 +96,19 @@ jobs:
     runs-on: ubuntu-latest
     needs: ["init", "build"]
     steps:
-      - name: Download binaries
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Just
+        uses: extractions/setup-just@v1
+
+      - name: Download releases
         uses: actions/download-artifact@v3
         with:
-          path: ./binaries
+          path: ./releases
 
-      - name: Discover binaries
-        run: |
-          cd ./binaries
-          echo ""
-          echo "Binaries dir:"
-          ls -lhrt
-          echo ""
-          echo "Searching for zipped releases..."
-          for DIR in * ; do
-              if [ -d "$DIR" ]; then
-                  cd "$DIR"
-                  for FILE in * ; do
-                      if [ ! -d "$FILE" ]; then
-                          if [ "$FILE" = "release.zip" ]; then
-                              echo "Found zipped release '$DIR'"
-                              mv "$FILE" "../$DIR.zip"
-                              rm -rf "../$DIR/"
-                          fi
-                      fi
-                  done
-                  cd ..
-              fi
-          done
-          echo ""
-          echo "Binaries dir:"
-          ls -lhrt
-          cd ..
+      - name: Unpack releases
+        run: just unpack-releases "./releases"
 
       - name: Create release
         uses: softprops/action-gh-release@v1
@@ -150,5 +118,5 @@ jobs:
           name: ${{ needs.init.outputs.version }}
           tag_name: v${{ needs.init.outputs.version }}
           fail_on_unmatched_files: true
-          files: ./binaries/*.zip
+          files: ./releases/*.zip
           draft: true
diff --git a/.gitignore b/.gitignore
index a05cc5f..6f7b83e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,7 +6,14 @@
 # Autogenerated dirs
 
 /bin
+/out
 /target
+/staging
+
+/**/bin
+/**/out
+/**/target
+/**/staging
 
 # Autogenerated files
 
diff --git a/.justfile b/.justfile
index 0db0e59..d29e1c3 100644
--- a/.justfile
+++ b/.justfile
@@ -1,22 +1,119 @@
-# Run an individual test using the Lune CLI
-run-test TEST_NAME:
-	cargo run -- "tests/{{TEST_NAME}}"
+EXT := if os() == "windows" { ".exe" } else { "" }
+CWD := invocation_directory()
+BIN_NAME := "lune"
+
+# Default hidden recipe for listing other recipes + cwd
+[no-cd]
+[no-exit-message]
+[private]
+default:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	printf "Current directory:\n    {{CWD}}\n"
+	just --list
+
+# Builds the Lune CLI binary
+[no-exit-message]
+build *ARGS:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	cargo build --bin {{BIN_NAME}} {{ARGS}}
 
 # Run an individual file using the Lune CLI
-run-file FILE_NAME:
-	cargo run -- "{{FILE_NAME}}"
+[no-exit-message]
+run FILE_PATH:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	cargo run --bin {{BIN_NAME}} -- "{{FILE_PATH}}"
 
 # Run tests for the Lune library
-test:
-	cargo test --lib
+[no-exit-message]
+test *ARGS:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	cargo test --lib -- {{ARGS}}
+
+# Run tests for the Lune binary
+[no-exit-message]
+test-bin *ARGS:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	cargo test --bin {{BIN_NAME}} -- {{ARGS}}
+
+# Apply formatting for all Rust & Luau files
+[no-exit-message]
+fmt:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	stylua scripts tests types \
+		--glob "tests/**/*.luau" \
+		--glob "!tests/roblox/rbx-test-files/**"
+	cargo fmt
 
 # Check formatting for all Rust & Luau files
+[no-exit-message]
 fmt-check:
 	#!/usr/bin/env bash
 	set -euo pipefail
-	stylua scripts --check
-	stylua types --check
-	stylua tests --check \
+	stylua scripts tests types \
 		--glob "tests/**/*.luau" \
 		--glob "!tests/roblox/rbx-test-files/**"
 	cargo fmt --check
+
+# Zips up the built binary into a single zip file
+[no-exit-message]
+zip-release TARGET_TRIPLE:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	rm -rf staging
+	rm -rf release.zip
+	mkdir -p staging
+	cp "target/{{TARGET_TRIPLE}}/release/{{BIN_NAME}}{{EXT}}" staging/
+	cd staging
+	if [ "{{os_family()}}" = "windows" ]; then
+		7z a ../release.zip *
+	else
+		chmod +x {{BIN_NAME}}
+		zip ../release.zip *
+	fi
+	cd "{{CWD}}"
+	rm -rf staging
+
+# Used in GitHub workflow to move per-matrix release zips
+[no-exit-message]
+[private]
+unpack-releases RELEASES_DIR:
+	#!/usr/bin/env bash
+	set -euo pipefail
+	#
+	if [ ! -d "{{RELEASES_DIR}}" ]; then
+		echo "Releases directory is missing"
+		exit 1
+	fi
+	#
+	cd "{{RELEASES_DIR}}"
+	echo ""
+	echo "Releases dir:"
+	ls -lhrt
+	echo ""
+	echo "Searching for zipped releases..."
+	#
+	for DIR in * ; do
+		if [ -d "$DIR" ]; then
+			cd "$DIR"
+			for FILE in * ; do
+				if [ ! -d "$FILE" ]; then
+					if [ "$FILE" = "release.zip" ]; then
+						echo "Found zipped release '$DIR'"
+						mv "$FILE" "../$DIR.zip"
+						rm -rf "../$DIR/"
+					fi
+				fi
+			done
+			cd ..
+		fi
+	done
+	#
+	echo ""
+	echo "Releases dir:"
+	ls -lhrt